Cornergrid system



FIG. 1 is a top, front and right side perspective view of a cornergrid system showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a rear side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showings of the cornergrid system in the figures depict environmental subject matter and form no part of the claimed design. 

CLAIM We claim the ornamental design for a cornergrid system, as shown and described. 